JP2019055666A - Door frame seal structure - Google Patents

Abstract

To provide a door frame seal structure which achieves excellent sealability, assemblability, and retention of a door weather strip.MEANS FOR SOLVING THE PROBLEM: A door weather strip 40 has: a door weather strip base bottom part 41; and a door weather strip seal part 43. A glass run 10 comprises a trim part 30 and a glass run part 20. A door weather strip engagement part 45 is formed at an end part of the door weather strip base bottom part 41 of the door weather strip 40 as seen in a vehicle exterior direction. A trim part engagement part 34 is formed at a tip of a body side wall 32 of the trim part 30 as seen in a vehicle inner direction. The door weather strip engagement part 45 and the trim part engagement part 34 are fitted.SELECTED DRAWING: Figure 1

Description

The present invention relates to a door frame sealing structure that is attached to a door frame and seals between the door frame and a vehicle body.

  2. Description of the Related Art Conventionally, in a seal structure that seals between a car body opening peripheral edge of a door provided with a door frame and a door, for example, an opening trim weather strip is attached to a flange of a car body door opening edge, A door weather strip is attached to the outer periphery, and when the door is closed, the hollow seal portion of the opening trim weather strip contacts the bulging portion of the door frame, and the hollow seal portion of the door weather strip and the seal lip are the outer periphery of the vehicle body opening. It was in contact with the panel and sealed between the doors.

  At this time, the door glass that moves up and down inside the door is held by a glass run attached to the inner peripheral side of the door frame, and moves up and down in a groove portion having a substantially U-shaped cross section of the glass run. The seal between the door glass and the door frame is made by this glass run.

In the appearance of the side of the car, the glass run and door frame were conspicuous around the door glass, and there was a need for design improvements. Moreover, since a glass run exists between the door frame and the door glass, a gap exists on the surface between the door frame and the door glass, which is not preferable in terms of design.

  For this reason, as shown in FIG. 5, as a hidden-door type automobile body, the design of the door frame is eliminated by eliminating the surface of the outside of the door frame and using only the flange, and the roof portion includes only a glass run. ing.

  In this case, the glass run is attached to the flange portion of the door frame by the trim portion. The trim portion has an engagement portion with the door frame in order to prevent detachment from the door frame. As this engaging part, the glass run is fixed by forming an engaging part on the vehicle upper surface of the door frame.

  As shown in FIG. 6, the front end of the flange portion 103 of the door frame 102 is formed by bending in the vehicle upper direction, the flange portion 103 is locked, and the glass run portion 120 of the glass run 110 and the door weather strip 140 are engaged. (For example, refer to Patent Document 1). In this case, since the front end of the flange portion 103 is inserted into the trim portion 130 of the glass run 110, the assemblability is lowered. Further, since the door weather strip 140 is fixed by the engaging portion 131 made of synthetic resin, there is a possibility that the holding strength is insufficient.

JP 2017-24474 A

For this reason, a door frame sealing structure excellent in sealing performance, assembling performance, and door weather strip holding performance has been demanded.

In order to solve the above problems, the present invention of claim 1 is a door frame sealing structure that is attached to a door frame and seals between the door frame and the vehicle body.
The seal structure of the door frame has a glass run that seals between the door frame and the door glass and the periphery of the vehicle body opening, and a door weather strip that seals between the periphery of the vehicle body opening and the door,
The door weather strip has a door weather strip base portion attached to the door frame, and a door weather strip seal portion that is formed integrally with the door weather strip base portion and abuts on the periphery of the vehicle body opening.
The glass run is composed of a trim portion attached to the door panel flange portion, a glass run portion formed integrally with the trim portion, attached to the door panel flange portion, and sealed between the door glass,
The trim part has a substantially U-shaped cross section consisting of a glass run side wall, a body side side wall, and a trim part bottom wall,
Forming a door weather strip engaging portion at an end of the door weather strip base portion in the vehicle outer direction,
A door frame sealing structure is characterized in that a trim portion engaging portion is formed at a front end of the body side wall in the vehicle inner side direction, and the door weather strip engaging portion and the trim portion engaging portion are fitted.

In the first aspect of the present invention, the door frame sealing structure includes a glass run that seals between the door frame and the door glass and the periphery of the vehicle body opening, and a door weather that seals between the periphery of the vehicle body opening and the door. With strips. Therefore, seal between the door frame and the door glass with a glass run, seal between the periphery of the vehicle body opening and the door frame with a door weather strip, and seal the inner and outer peripheral portions of the door frame. Can do.

The door weather strip has a door weather strip base portion attached to the door frame, and a door weather strip seal portion that is formed integrally with the door weather strip base portion and abuts against the periphery of the vehicle body opening. For this reason, when the door weather strip base is attached to the door frame, the door weather strip seal portion can seal between the periphery of the vehicle body opening and the door frame.

The glass run includes a trim portion attached to the door panel flange portion, and a glass run portion formed integrally with the trim portion, attached to the door panel flange portion, and sealing between the door glass. For this reason, if a trim part is attached to a door frame, a glass run part can seal between a door frame and a door glass.

The trim part has a substantially U-shaped cross section including a glass run side wall, a body side side wall, and a trim part bottom wall. For this reason, it is not necessary to form a channel in order to hold the glass run part on the door frame, and when the trim part is attached to the door panel flange part, the trim part is firmly held by the door panel flange part, and the glass run is prevented. It can be installed on the door frame and the glass run is easy to install.

A door weather strip engagement portion is formed at the end of the door weather strip base portion in the vehicle outer direction, and a trim portion engagement portion is formed at the front end of the body side wall in the vehicle inner direction to engage the door weather strip. The part and the trim part engaging part are fitted. For this reason, a trim part and a door weather strip can be connected, the gap between a trim part and a door weather strip can be closed, without impairing the assembling property of a trim part, and an external appearance property is improved. be able to.

The present invention of claim 2 is a door frame seal structure in which the door weather strip engaging portion and the trim portion engaging portion are formed with hook-shaped portions that mesh with each other.

In the present invention of claim 2, the door weather strip engaging portion and the trim portion engaging portion are formed with hook-shaped portions that mesh with each other. Therefore, the base part of the door weather strip and the body side wall of the trim part can be intimately engaged with each other, and even if a load is applied to the door weather strip by opening and closing the door, the door weather strip engaging part and the trim part The engaging portion is not disengaged and the sealing performance can be ensured.

According to a third aspect of the present invention, there is provided a door frame seal in which a door weather strip engagement portion seal protrusion is formed on the vehicle outer side surface of the door weather strip engagement portion so as to come into contact with the front end of the body side wall in the vehicle inner direction. It is a structure.

According to the present invention, the door weather strip engagement portion seal projection is formed on the vehicle outer side surface of the door weather strip engagement portion so as to contact the front end of the body side wall in the vehicle inner direction. For this reason, the door weather strip engagement portion seal projection is positioned between the door weather strip engagement portion and the trim portion engagement portion to ensure the sealing performance between the door weather strip engagement portion and the door weather strip engagement portion seal. It is possible to prevent the projection from urging the trim engaging portion and the door weather strip engaging portion and the trim engaging portion to come off.

The present invention of claim 4 is the door frame seal structure in which the trim portion engaging portion is opened in the vehicle upper direction and the trim portion engaging portion concave portion continuous in the longitudinal direction is formed.

In this invention of Claim 4, the trim part engaging part is opened in the vehicle upper direction, and the trim part engaging part recessed part continuous in a longitudinal direction is formed. For this reason, even if rainwater enters beyond the door weatherstrip engagement part seal projection between the door weatherstrip engagement part and the trim part engagement part, the recess of the trim part engagement part receives the rainwater. , Can be discharged out of the car.

According to a fifth aspect of the present invention, there is provided a door frame seal structure in which the trim portion engaging portion is made of a material having higher rigidity than the door weather strip engaging portion seal projection.

In the present invention of claim 5, the trim portion engaging portion is formed of a material having higher rigidity than the door weather strip engaging portion seal projection. For this reason, the rigidity of a trim part engaging part can be improved and a door weather strip engaging part seal protrusion can be urged | biased strongly.

According to a sixth aspect of the present invention, there is provided a door frame seal structure in which the hook-shaped portion of the door weather strip engaging portion is formed of a material having higher rigidity than the hook-shaped portion of the trim portion engaging portion.

In the present invention of claim 6, the hook-shaped portion of the door weather strip engaging portion is formed of a material having higher rigidity than the hook-shaped portion of the trim portion engaging portion. For this reason, the door weather strip engaging portion is assembled so as to cover the trim portion engaging portion after the glass run is assembled. The door weather strip engaging part 鉤 tip is in contact with the trim part engaging part 鉤 tip at the tip of the trim part engaging part The part can be inserted into the recess of the trim part engaging part while bending the hook part of the trim part engaging part.

According to the seventh aspect of the present invention, the glass run portion has a substantially U-shaped cross section composed of the vehicle outer side wall, the vehicle inner side wall, and the glass run portion bottom wall. Extend the vehicle outer seal lip and the vehicle inner seal lip diagonally in the inside shape of the character,
The glass run side wall and the glass run bottom wall of the glass run part have a door frame sealing structure formed integrally or as the same member.

According to the seventh aspect of the present invention, the glass run portion has a substantially U-shaped cross section composed of the vehicle outer side wall, the vehicle inner side wall, and the glass run portion bottom wall. A vehicle-side seal lip and a vehicle-side seal lip are provided so as to extend obliquely in the shape of the inner shape. For this reason, the edge part of a door glass can slide inside the substantially U-shaped cross section which consists of a vehicle outer side wall, a vehicle inner side wall, and a glass run part bottom wall, and can hold | maintain a door glass. Further, the vehicle exterior seal lip and the vehicle interior seal lip can come into contact with the end portion of the door glass to seal between the door glass and the door frame.

The glass run side wall and the glass run part bottom wall of the glass run part are formed integrally or as the same member. For this reason, it is not necessary to form a channel in order to hold the glass run part in the door frame, and if the trim part is attached to the outer peripheral flange part of the door panel, the trim part is firmly held by the outer peripheral flange part of the door panel. The glass run can be installed on the door frame, and the glass run is easy to install. Further, the glass run portion and the trim portion are firmly and integrally formed, and the glass run portion can be held by the trim portion.

Since the door weather strip engaging portion and the trim portion engaging portion are fitted, the trim portion and the door weather strip can be connected, and the trim portion and the door can be connected without impairing the assembling property of the trim portion. The gap between the weather strips can be closed, and the appearance can be improved.

FIG. 5 is a cross-sectional view of the glass run and the door weather strip attached to the locking portion of the door frame in the embodiment of the present invention, and is a cross-sectional view along the line AA in FIG. It is sectional drawing which attached the glass run and the door weather strip to the door frame with the clip in embodiment of this invention, and is sectional drawing along the AA of FIG. It is an expanded sectional view of the part of a door weather strip engagement part and a trim part engagement part in an embodiment of the invention. It is a front view of the glass run in embodiment of this invention. It is a side view of a motor vehicle. It is conventional glass run sectional drawing.

An embodiment of the present invention will be described with reference to FIGS.
1 to 4 show an embodiment of the present invention. 1 and 2 are front views showing the shape of the glass run 10 in a state in which the glass run 10 of the present embodiment is attached to the door frame 2 of the door 1. FIG. 4 is a diagram showing the entire glass run 10.

FIG. 5 is a side view of the automobile. A door frame 2 is provided on the upper portion of the door 1 at a portion facing the vehicle body opening peripheral edge 6 of the vehicle body, and a door glass 5 is attached to be movable up and down. That is, a glass run 10 is attached to the inner periphery of the door frame 2 to guide the raising and lowering of the door glass 5 and seals between the door glass 5 and the door frame 2. A weather strip 40 is attached to seal between the door frame 2 and the vehicle body opening periphery 6.

An embodiment of the present invention will be described with reference to FIGS.
The embodiment of the present invention will be described in the order of the door frame 2, the door weather strip 40, and the glass run 10.

  As shown in FIG. 1, the door frame 2 to which the glass run 10 and the door weather strip 40 are attached is formed at the outer peripheral end of the door frame 2 and is attached to the outer peripheral flange of the door panel to which the glass run 10 is attached. A door panel inner peripheral flange portion 2d is provided at the inner peripheral end of the portion 2c and the door frame 2.

The trim part 30 of the glass run 10 mentioned later is hold | maintained by the door panel outer peripheral side flange part 2c, and the glass run part 20 of the glass run 10 mentioned later is hold | maintained by the door panel inner peripheral side flange part 2d. Depending on the shape of the glass run 10, the door frame 2 can be attached only to the door panel flange portion to which the trim portion 30 is attached, and the glass run portion 20 can be attached to a channel or the like. The door frame 2 having the side flange portion 2c and the door panel inner peripheral flange portion 2d will be described as an example.

As shown in FIG. 1, the vehicle upper direction portion of the door outer panel 2a is bent into a hairpin shape, and the tip of the door inner panel 2b is inserted into the hairpin shape. The portion bent in the shape of a hairpin forms a door panel outer peripheral flange 2d and is sandwiched by a trim portion 30 of a glass run 10 described later.

The front end of the door outer panel 2a bent in the shape of a hairpin is extended in the vehicle interior direction to form a door outer panel locking portion 2g, and a trim portion engaging portion 34 described later is engaged. The vehicle lower side portion of the door outer panel 2a is bent into a hairpin shape to form a door panel inner peripheral flange 2d, and a company inner cover lip 27 and a vehicle inner side wall retaining lip of the vehicle inner side wall 20 described later. 22c clamps.

Next, the door weather strip 40 will be described.
The door weather strip 40 includes a door weather strip base 41 attached to the door inner panel 2 b of the door frame 2, and a door weather strip that is integrally formed with the door weather strip base 41 and abuts against the peripheral edge 6 of the vehicle body opening. The strip seal portion 43 is provided. Although the door weather strip seal portion 43 is formed in a hollow shape in the present embodiment, it can also be formed in a lip shape.

As shown in FIG. 2, the door weather strip base 41 is attached to the door inner panel 2b by forming the door inner panel clip hole 2h in the door inner panel 2b on the vehicle inner side than the door outer panel locking portion 2g. Then, the door weather strip mounting clip 44 attached to the door weather strip base 41 is inserted into the door inner panel clip hole 2h and attached. In addition to the door weather strip mounting clip 44, a double-sided adhesive tape or the like can also be used.

When the door weather strip base portion 41 is attached to the door inner panel 2b, the door weather strip seal portion 43 comes into contact with the vehicle body opening periphery 6 to seal between the vehicle body opening periphery 6 and the door frame 2. it can.

A door weather strip engagement portion 45 is formed at an end of the door weather strip base portion 41 in the vehicle outer side direction. The door weather strip engaging portion 45 engages with a trim portion engaging portion 34 formed on a trim portion 30 of the glass run 10 described later.

As shown in FIG. 3, the door weather strip engaging portion 45 covers the rear trim portion engaging portion 34 that extends in the vehicle upper direction at the end of the door weather strip base portion 41 in the vehicle outer side direction. A door weather strip engagement portion side wall 45a that is curved and formed into a wall shape, and a door weather strip engagement portion hook-shaped portion that extends from the tip of the door weather strip engagement portion side wall 45a toward the vehicle lower side. 45c and a door weather strip engagement portion side wall 45a and a door weather formed from a door weather strip engagement portion flange tip 45d formed at the tip of the door weather strip engagement portion flange 45c. A door weather strip engaging portion recess 45b that opens in the vehicle lower side direction is formed by the strip engaging portion flange 45c.

Further, a door weather strip engagement portion seal projection 45e that abuts a front end in the vehicle inner direction of a body side wall 32 of the trim portion 30 to be described later is formed on the vehicle outer side surface of the door weather strip engagement portion flange 45c. Has been. For this reason, the door weather strip engaging part seal protrusion 45e is located between the door weather strip engaging part 45 and the trim part engaging part 34, and the sealing performance between them can be ensured.

Next, the glass run 10 will be described.
As shown in FIG. 4, the terminal part 12 is formed in the front-end | tip of the extrusion molding part 11 of the glass run 10 of this Embodiment.
Note that a glass run portion 20 attached to a vertical side portion of the door frame 2 is connected to the front and rear corner portions 13 of the glass run 10 downward. For this reason, the glass run part 20 can hold and seal not only the upper side of the door frame 2 but also the vertical side part of the side edge of the door glass 5. The glass run portion 20 attached to the connection portion between the upper side and the vertical side of the door frame 2 constitutes a corner portion 13 and connects the respective corner portions 13 of the upper side portion and the vertical side portion of the glass run portion 20 by molding. Formed.
A molding part 14 is formed by the terminal part 12 and the corner part 13, and an extrusion molding part 11 is formed except for the molding part 14.

  As shown in FIG. 1, the glass run 10 attached to the upper side of the door frame 2 of the present embodiment includes a glass run part 20 attached to the door panel inner peripheral flange part 2 d of the door frame 2, and the door panel of the door frame 2. It is comprised from the trim part 30 attached to the outer peripheral side flange part 2c. First, the overall shape of the glass run 10 will be described separately for the glass run portion 20 and the trim portion 30.

First, the trim part 30 will be described. The trim part 30 has a substantially U-shaped cross section including a glass run side wall 31 formed integrally with a glass run part bottom wall 23 described later, a body side wall 32 and a trim part bottom wall 33 opposed to the peripheral edge 6 of the vehicle body opening. It has a shape.
The door panel outer peripheral side flange portion 2c of the door frame 2 is inserted into the trim portion flange concave portion 36 having a substantially U-shaped cross section, and is held by the trim portion 30 to hold the glass run 10 on the door frame 2.

In the present embodiment, a glass run part bottom wall 23 of the glass run part 20 described later and a glass run side wall 31 of the trim part 30 are integrally formed as the same member with the same material that is a hard member. The glass run side wall 31 and the glass run part bottom wall 23 may be integrally formed by fusing both with a different material.

As shown in FIG. 3, a trim engaging portion 34 is formed at the tip of the body side wall 32. The trim part engaging part 34 extends from the front end of the body side wall 32 toward the vehicle lower side, and engages with the front end of the door outer panel locking part 2g. A trim part engaging part flange engaging wall 34a; A trim portion engaging portion extending wall 34b extending from the trim portion engaging portion flange engaging wall 34a toward the vehicle inner side, and a trim portion engaging extending from the tip of the trim portion engaging portion extending wall 34b toward the vehicle upper side. A trim part engaging part flange engaging wall 34a and a trim formed from a joint part hook part 34c and a trim part engaging part hook tip part 34d formed at the tip of the trim part engaging part hook part 34c. A trim portion engaging portion recess 34e that opens in the vehicle upper side direction is formed by the portion engaging portion extension wall 34b and the trim portion engaging portion collar portion 34c.

A trim portion engaging portion 34 can be formed at the front end in the vehicle interior direction of the body side wall 32 of the trim portion 30, and the door weather strip engaging portion 45 and the trim portion engaging portion 34 can be fitted. For this reason, the trim part 30 and the door weather strip 40 can be connected, the gap between the trim part 30 and the door weather strip 40 can be closed without impairing the assembling property of the trim part 30, Appearance can also be improved.

Furthermore, the door weather strip engagement portion flange 45c of the door weather strip engagement portion 45 and the trim portion engagement portion flange 34c of the trim portion engagement portion 34 are formed to mesh with each other. . For this reason, the door weather strip base portion 41 and the body side wall 32 of the trim portion 30 can be strongly engaged, and even if a load is applied to the door weather strip 40 by opening / closing the door, the door weather strip The engagement part 45 and the trim part engagement part 34 are not disengaged, and sealing performance can be ensured.

Further, as described above, the door weather strip engaging portion 45 is formed on the vehicle outer side surface of the door weather strip engaging portion 45 with the door weather strip engaging portion seal protrusion 45e that contacts the front end of the body side wall 32 in the vehicle inner direction. The door weather strip engagement portion seal protrusion 45e is positioned between the door weather strip engagement portion 45 and the trim portion engagement portion 34, and the sealing performance therebetween can be ensured. Furthermore, it is possible to prevent the door weather strip engaging portion 45 and the trim portion engaging portion 34 from being released by the door weather strip engaging portion seal protrusion 45e biasing the trim portion engaging portion 34.

Further, since the trim portion engaging portion 34 is opened in the vehicle upper side direction and is formed with a trim portion engaging portion collar recess 34e that is continuous in the longitudinal direction, the door weather strip engaging portion 45 and the trim portion are engaged. Even if rainwater enters beyond the door weather strip engagement portion seal projection 45e between the portions 34, the trim portion engagement portion collar recess 34e can receive rainwater and discharge it outside the vehicle.

The door weather strip engaging portion 45 is assembled so as to cover the trim portion engaging portion 34 after the glass run 10 is assembled. At this time, the door weather strip engagement portion flange tip 45d formed at the tip of the door weather strip engagement portion flange 45c is engaged with the trim portion engagement at the tip of the trim portion engagement portion flange 34c. The door weather strip engaging portion hook-like portion 45c is inserted into the trim portion engaging portion concave portion 34e while bending the trim portion engaging portion hook-like portion 34c while coming into contact with the tip portion 34d. For this reason, it is preferable that the door weather strip engagement portion 45 is more rigid than the trim portion engagement portion 34. In terms of shape, it is preferable that the door weather strip engaging portion flange 45c is formed so that the connecting portion side with the door weather strip engaging portion side wall 45a is thicker than the tip.

Further, the vehicle upper side portion of the trim portion engaging portion flange engaging wall 34a, which is the vehicle inner side terminal of the body side wall 32, is formed so as to be inclined in the direction in which the opening of the trim portion engaging portion concave portion 34e is widened. The surface of the strip engaging portion flange 45c that faces the trim portion engaging portion flange engaging wall 34a also has an inclined surface substantially parallel to the trim portion engaging portion flange engaging wall 34a. With this configuration, the trim portion engaging portion flange engaging wall 34a can guide the insertion of the door weather strip engaging portion flange 45c during assembly.

Further, when the door weather strip engagement portion 45 is assembled to the trim portion engagement portion 34, the door weather strip engagement portion seal protrusion 45e is pressed against the vehicle upper portion of the trim portion engagement portion flange engagement wall 34a. And is sealed in a form that slightly tilts toward the vehicle upper side. By adopting such a configuration, even when high-pressure water enters the gap between the vehicle body opening peripheral edge 6, the water pressure presses the door weather strip engaging portion seal protrusion 45e to further improve the sealing performance. Work in the direction of improvement.

The trim portion engaging portion 34 is preferably formed of a material having higher rigidity than the door weather strip engaging portion seal protrusion 45e. In this case, the trim portion engaging portion 34 can strongly bias the door weather strip engaging portion seal protrusion 45e.

The glass run side wall 31, the body side wall 32, and the trim part bottom wall 33 of the trim part 30 are formed of a hard member, and the entire glass run part 20 and the entire trim part 30 are extruded by simultaneous molding of a hard member and a soft member. Molded. In addition, the vehicle outer side wall 21 of the glass run portion 20 is formed of a hard member as described above.

As a result, the main body portion of the trim portion 30 has high rigidity and can hold the door panel outer peripheral side flange portion 2c, while the trim portion engaging portion 34 is flexibly engaged with the door weather strip engaging portion 45. Can be sealed.
The body side wall 32 is formed with a trim seal lip 35 that abuts against the periphery 6 of the vehicle body opening. The trim seal lip 35 and the door weather strip seal 43 can double seal between the door frame 2 and the vehicle body opening periphery 6.

The glass run part 20 has a substantially U-shaped cross-sectional body portion composed of the vehicle outer side wall 21, the vehicle inner side wall 22, and the glass run part bottom wall 23, and the substantially U-shaped cross section from the tip of the vehicle outer side wall 21 and the vehicle inner side wall 22. A vehicle-side seal lip 24 and a vehicle-side seal lip 25 are extended obliquely in the interior direction. For this reason, the end part of the door glass 5 can slide inside the substantially U-shaped cross section composed of the vehicle outer side wall 21, the vehicle inner side wall 22 and the glass run part bottom wall 23 to hold the door glass 5. .

In the glass run portion 20, the vehicle interior side wall 22, the vehicle exterior seal lip 24 and the vehicle interior seal lip 25 are formed of a soft member. It is preferable to use an olefin-based thermoplastic elastomer as the soft member. Since the soft member is used, the vehicle outer side seal lip 24 and the vehicle inner side seal lip 25 can be flexibly bent, and when the door glass 5 is raised, the door glass 5 is surely brought into contact with the end portion of the door glass 5, The space between the glass 5 and the door frame 2 can be sealed.

When an olefinic thermoplastic elastomer is used as the soft member, when the trim part 30 uses an olefinic synthetic resin as the hard member, both are easily welded and can be easily recycled. A foam can also be used.

The vehicle outer side wall 21 and the glass run part bottom wall 23 are formed of a hard member to be described later.
The vehicle outer side wall 21 is formed so that the root portion is thick and the thickness is made thinner toward the tip, and the vehicle outer side wall 21 is formed such that the inner surface is curved. For this reason, even if the rigidity of the vehicle outer side wall 21 is large and the curvature of the door frame 2 is large, it is possible to reduce deformation of the vehicle outer side wall 21 that is wrinkled or waved. Moreover, even if the door glass 5 approaches the vehicle exterior side, the vehicle exterior side wall 21 can hold | maintain the front-end | tip of the door glass 5, and the door glass 5 does not remove | deviate from the glass run part 20. FIG.

It is preferable that the vehicle inner side wall 22 and the vehicle inner side seal lip 25 are larger than the vehicle outer side wall 21 and the vehicle outer side seal lip 24 and are formed thick. In this case, when the door glass 5 rises and is positioned in the glass run 10, the door glass 5 can be shifted to the outside of the vehicle, and the step on the outside surface of the door 1 can be reduced to improve the appearance. And wind noise can be reduced. Further, the vehicle interior side wall 22 can be securely attached to the door panel inner peripheral flange portion 2 d of the door frame 2.

A hard member layer is formed on the vehicle outer sliding surface and the vehicle inner sliding surface that come into contact with the door glass 5 of the vehicle outer seal lip 24 and the vehicle inner seal lip 25. Since the vehicle outer sliding surface and the vehicle inner sliding surface are hard members, the sliding friction with the door glass 5 is low and a low sliding layer is formed. Thereby, while raising / lowering the door glass 5 can be made smooth, generation | occurrence | production of abnormal noise can be prevented.

A bottom wall lip 23 a can be formed on the inner surface side of the glass run portion bottom wall 23. The bottom wall lip 23a can be formed of a soft material, like the vehicle outer seal lip 24 and the vehicle inner seal lip 25. When the door glass 5 rises, the bottom wall lip 23a can absorb the impact on the glass run part bottom wall 23 by the upper end of the door glass 5 coming into contact with the bottom wall lip 23a. It is preferable to apply a low sliding member also to the surface of the bottom wall lip 23a.

As shown in FIGS. 1 and 2, a vehicle that extends from the vehicle inner side to the vehicle outer side and the inner circumferential direction (diagonally to the lower left in FIG. 1) at the front end of the vehicle inner side wall 22 and abuts against the door panel inner circumferential flange portion 2d. An inner side wall retaining lip 22c is formed. The inner side wall retaining lip 22c is formed so that the urging force against the inner peripheral side flange portion 2d of the door panel increases when the inner side wall 22 rotates in the vehicle outer direction. The vehicle interior side wall retaining lip 22 c is formed of a soft material in the same manner as the vehicle interior side wall 22.

A vehicle interior holding lip 28 can be formed in the vehicle interior side wall 22 in the vicinity of the connection portion with the glass run bottom wall 23. The vehicle interior holding lip 28 can improve the sealing performance with the door frame 2, can urge the trim portion 30 toward the vehicle exterior, and can securely lock the trim portion 30. .

A vehicle interior cover lip 27 can be provided at the tip of the outer surface of the vehicle interior side wall 22.
The front end of the door panel inner peripheral flange 2d is inserted between the vehicle inner cover lip 27 and the vehicle inner side wall retaining lip 22c, and the vehicle inner cover lip 27 covers the front end of the door panel inner peripheral flange 2d. It is in contact.
The vehicle exterior seal lip 24, the vehicle interior seal lip 25, the vehicle interior side wall retaining lip 22c, the vehicle interior cover lip 27, and the vehicle interior holding lip 28 are formed of soft members. For this reason, the front end portion of the door glass 5 can be sealed by the vehicle outer side seal lip 24 and the vehicle inner side seal lip 25. Moreover, even if the vehicle interior side wall 22 bends flexibly and the door frame 2 is curved, it can be easily attached.

As shown in FIGS. 1 and 2, the vehicle outer side wall 21 of the glass run portion 20 and the trim portion bottom wall 33 of the trim portion 30 are integrally formed continuously, and the vehicle outer side surface is formed in a smooth arc shape. ing. From the upper end of the vehicle outer side wall 21 and the trim part bottom wall 33 to the lower end of the vehicle outer side wall 21, it can be attached to the vehicle outer surface so that the vehicle outer decorative member 37 continuously covers.

For this reason, the vehicle outer side wall 21 of the glass run part 20 and the trim part bottom wall 33 of the trim part 30 form a vehicle outer side surface of the glass run 10 so as to prevent the door glass 5 from being pulled out to the vehicle outer side. At the same time, the exterior exterior member 37 can improve the appearance of the exterior surface of the glass run 10.

A decorative tape having a metallic luster can be used for the vehicle exterior decoration member 37. When a decorative tape having a metallic luster is used as the vehicle exterior decoration member 37, the vehicle exterior decoration member 37 can make the vehicle exterior surface of the glass run 10 have a metallic gloss color, thereby improving the appearance.

2 door frame 10 glass run 20 glass run part 30 trim part 32 body side wall 34 trim part engaging part 34c trim part engaging part bowl-like part 40 door weather strip 45 door weather strip engaging part 45c door weather strip Engagement hook

Claims (7)

In the door frame seal structure that is attached to the door frame and seals between the door frame and the vehicle body,
The door frame seal structure has a glass run that seals between the door frame and the door glass and the periphery of the vehicle body opening, and a door weather strip that seals between the periphery of the vehicle body opening and the door,
The door weather strip has a door weather strip base portion attached to the door frame, and a door weather strip seal portion that is integrally formed with the door weather strip base portion and abuts on the periphery of the vehicle body opening. And
The glass run is composed of a trim portion attached to the door panel flange portion, and a glass run portion that is formed integrally with the trim portion and seals between the door glass,
The trim part has a substantially U-shaped cross section composed of a glass run side wall, a body side side wall, and a trim part bottom wall.
Forming a door weather strip engaging portion at an end of the door weather strip base portion in the vehicle outer side direction;
A seal structure for a door frame, wherein a trim portion engaging portion is formed at a front end of the body side wall in the vehicle inner direction, and the door weather strip engaging portion and the trim portion engaging portion are fitted. 2. The door frame seal structure according to claim 1, wherein the door weather strip engagement portion and the trim portion engagement portion are formed with hook-shaped portions that mesh with each other. The door weather strip engagement portion seal protrusion is formed on the vehicle outer side surface of the door weather strip engagement portion, the door weather strip engagement portion sealing protrusion coming into contact with the front end of the body side wall in the vehicle inner direction. Door frame seal structure. The door frame seal structure according to any one of claims 1 to 3, wherein the trim portion engaging portion is opened in a vehicle upper side direction and a trim portion engaging portion concave portion continuous in a longitudinal direction is formed. . 5. The door frame seal structure according to claim 3, wherein the trim portion engaging portion is formed of a material having higher rigidity than the door weather strip engaging portion seal projection. The door according to any one of claims 1 to 5, wherein the hook-shaped portion of the door weather strip engaging portion is formed of a material having higher rigidity than the hook-shaped portion of the trim portion engaging portion. Frame seal structure. The glass run portion has a substantially U-shaped cross section composed of an outer side wall, an inner side wall, and a bottom wall of the glass run portion, and is inclined in the inner direction with a substantially U-shaped cross section from the tip of the outer side wall and the inner side wall. Extend the car outside seal lip and car inside seal lip respectively,
The door frame sealing structure according to any one of claims 1 to 6, wherein the glass run side wall and the glass run bottom wall of the glass run part are formed integrally or as the same member.

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